【判断题】多吃海带、紫菜、海鱼等含碘丰富的海产品,可预防碘缺乏病。
【判断题】悬架一般由弹性元件,导向装置,减振器组成
【单选题】The Great Pacific Garbage Patch
A.
This news report is about a huge area in the Pacific Ocean that is filled with mostly plastic garbage. The garbage collects there because the ocean currents bring it to that area. Itâs a serious problem for the environment because it affects all kinds of marine life.
B.
This news report really shocked me. I had no idea that our use of plastic was creating such a big problem. Thereâs a huge area of the Pacific Ocean full of plastic floating on the water. In my view, people need to use less plastic in their daily lives.
C.
In 1997, a sailor named Charles Moore discovered a large area of floating garbage in the Pacific Ocean near Hawaii. He estimated there were about 3 million tons of garbage. It was 100 feet deep.
【简答题】阅读理解。 Monday: Here I am, in the middle of nowhere. This camping trip idea is not getting off to a very good start. It's raining and the tent leaks. The hiking seemed to take forever, and I still can't...
【判断题】悬架一般由弹性元件、导向装置和、减振器三部分组成。
【判断题】电动机的额定功率应小于额定状态下输入的电功率,这是因为电动机有功率损耗所致。